arXiv:1111.6955·v1·High Energy Physics — Phenomenology
New physics in B_s^0 -> J/\psi\phi decays?
B. El-Bennich🇧🇷 · J. P. B. C. de Melo🇧🇷 · O. Leitner🇫🇷 · B. Loiseau🇫🇷 · J.-P. Dedonder🇫🇷
Abstract
After a brief review of B_s^0 - \bar B_s^0 oscillations, we discuss the weak decays B_s^0 -> J/\psi\phi and B_s^0 -> J/\psi f_0(980) and the ratio R_{f_0/\phi} of their decay rates in the light of recent measurements by the LHCb, D0 and CDF Collaborations. We point out that the experimental values for R_{f_0/\phi} impose tight limits on new physics contributions to both decay channels.
Comments: Talk given at the Erice School on Nuclear Physics 2011: From Quarks and Gluons to Hadrons and Nuclei, organized by A. Faessler and J. Wambach (7 pages, 2 figures)